# -*-Makefile-*-
# This Makefile fragment is shared between fileutils, sh-utils, textutils.

maintainer-check:
	if head ChangeLog| grep 'Version $(VERSION)' > /dev/null; then \
	  :; \
	else \
	  echo "$(VERSION) not in ChangeLog; not tagging" 1>&2; \
	  exit 1; \
	fi
	$(MAKE) distcheck
	$(MAKE) my-distcheck

prev-version := $(shell echo $(VERSION)|tr a-z Xa-y)
tag-package = $(shell echo "$(PACKAGE)" | tr a-z A-Z)
tag-this-version = $(subst .,_,$(VERSION))
tag-prev-version = $(subst .,_,$(prev-version))
this-cvs-tag = $(tag-package)-$(tag-this-version)
prev-cvs-tag = $(tag-package)-$(tag-prev-version)


# Tag before making distribution.  Also, don't make a distribution if
# checks fail.  Also, make sure the NEWS file is up-to-date.
# FIXME: use dist-hook/my-dist like distcheck-hook/my-distcheck.
cvs-dist: maintainer-check
	echo $(this-cvs-tag); \
	if cvs -n log -h README| grep -e $(this-cvs-tag): > /dev/null; then \
	  echo "VERSION not new; not tagging" 1>&2; \
	  exit 1; \
	fi; \
	cvs update po; \
	cvs tag -c $(this-cvs-tag)
	$(MAKE) dist

t=./=test
my-distcheck:
	-rm -rf $(t)
	mkdir $(t)
	GZIP=$(GZIP) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz
	cd $(t)/$(distdir) \
	  && ./configure --disable-nls \
	  && $(MAKE) CFLAGS='-Wformat -Werror' \
	  && $(MAKE) dvi \
	  && $(MAKE) check \
	  && $(MAKE) distclean
	cd $(t) && mv $(distdir) $(distdir).old \
	  && $(AMTAR) -zxf ../$(distdir).tar.gz
	diff -ur $(t)/$(distdir).old $(t)/$(distdir)
	-rm -rf $(t)
	@echo "========================"; \
	echo "$(distdir).tar.gz is ready for distribution"; \
	echo "========================"

THIS_VERSION_REGEXP = $(subst .,\.,$(VERSION))
# FIXME: this works only for Gnits-style test releases.
PREV_VERSION := $(shell echo $(VERSION)|tr a-z Xa-y)
PREV_VERSION_REGEXP := $(shell echo $(PREV_VERSION)|sed 's/\./\\./g')
v = Version

a_host=alpha.gnu.org
b_host=tug.org
c_host=ftp.enst.fr

a_url_dir=gnu/fetish
b_url_dir=gnu/fetish
c_url_dir=pub/gnu/gnits/fetish

a_real_dir=/fs/share/ftp/gnu/fetish
b_real_dir=/home/ftp/pub/gnu/fetish
c_real_dir=/pub/gnu/gnits/fetish

url_dir_list = $(foreach x,a b c,ftp://$($(x)_host)/$($(x)_url_dir))
real_dir_list = $(foreach x,a b c,ftp://$($(x)_host)$($(x)_real_dir))

md5 = $(shell md5sum < $(distdir).tar.gz|sed 's/  -//')

rel-check:
	tarz=/tmp/rel-check-tarz-$$$$; \
	md5_tmp=/tmp/rel-check-md5-$$$$; \
	set -e; \
	trap 'status=$$?; rm -f $$tarz $$md5_tmp; exit $$status' 0 1 2 3 15; \
	wget -q --output-document=$$tarz $(url); \
	echo "$(md5)  -" > $$md5_tmp; \
	md5sum -c $$md5_tmp < $$tarz

announcement: NEWS ChangeLog $(distdir).tar.gz
	@( \
	  echo Subject: $(distdir) released; \
	  echo; \
	  echo FIXME: put comments here; \
	  echo; \
	  for url in $(url_dir_list); do \
	    echo "  $$url/$(distdir).tar.gz"; \
	  done; \
	  echo; \
	  echo "$(md5)  $(distdir).tar.gz"; \
	  echo; \
	  echo NEWS:; \
	  sed -n "/$(THIS_VERSION_REGEXP)/,/$(PREV_VERSION_REGEXP)/p" NEWS \
	    | grep -v '^\['; \
	  echo; \
	  echo ChangeLog entries:; \
	  find . -name ChangeLog \
	    | xargs cvs diff -up -r$(prev-cvs-tag) -rHEAD \
	    | sed -n 's/^+//p' \
	    | perl -ne 'm!^\+\+ (\./)?! or print,next;'	\
	      -e 'print "\n"."*"x70 ."\n"; s///; print; print "*"x70 ."\n"'; \
	)

alpha:
	$(MAKE) cvs-dist
	$(MAKE) -s announcement > /tmp/announce-$(distdir)
	ln $(distdir).tar.gz ../release
	chmod a-w $(distdir).tar.gz
	@echo =====================================
	@for url in $(real_dir_list); do \
	  echo "ncftp -u $$url/"; \
	done
	@echo '#   put $(distdir).tar.gz'
	@echo '# send the /tmp/announcement e-mail'
	@echo =====================================
